The study also found that more than a quarter of makeup fans started using cosmetics between the ages of 11 and 13, suggesting a longtime dependency that sees women treating blush and lipstick as a "security blanket," according to Adrienne Ressler, national training director for The Renfrew Center Foundation.

"People are detached from their bodies," Ressler tells Shape. "Most people are bombarded by so many images per day that we lose touch with the signals in our own bodies, we lose touch with our true selves."

In response, the Foundationâ€”which works to promote healthy body images and offer support to those with eating disordersâ€”has launched the "Barefaced & Beautiful, Without & Within Campaign," which calls on women to skip the slap through March 3. Hey, if Lady Gaga can do it ...

Think your mug can handle a little Lent-style sacrifice? Or will they have to pry the Great Lash from your cold, dead hands?